District Court, N.D. Illinois November 7, 1941, Civil Action No. 576 (Shanklin Mfg. Co. v. Goldblatt Bros.)

CAMPBELL, District Judge.

After consideration of the evidence submitted at the trial hereof and a review of the transcript of such evidence, and a study of the briefs and arguments of counsel, including a review of the authorities therein cited, the Court is of the opinion that:

Claims 6 and 7 of Horsley patent No.